SECTION 15484

ELECTRIC WATER HEATERS

PART 1 GENERAL

1.1	SUMMARY

A.	Includes But Not Limited To

1.	Furnish and install electric water heater as specified in Contract Documents.

B.	Related Sections

1.	Section 15051 - General Mechanical Requirements

2.	Section 15101 - General Piping Requirements

3.	Section 15143 - Potable Water Piping

1.2	WARRANTY

A.	Three year non-prorated warranty on water heaters of 20 gallon capacity and larger.

PART 2 PRODUCTS

2.1	MANUFACTURED UNITS

A.	120 Gallon

1.	Glass lined storage tank pressure tested and rated for 125 PSI working pressure.

2.	Water heaters shall each have ASME rated temperature-pressure relief valve rated at MBH input of heater minimum set to relieve at 120 psi.

3.	3 inches minimum glass fiber or polyurethane foam insulation.

4.	Complete with three stage thermostat with step control, magnesium anode, electric sheath rod type heating elements, and high limit control.

5.	Heater shall be pre-wired and entire unit bear UL label.

6.	Approved Manufacturers -

a.	A O Smith

b.	Ruud

2.2	ACCESSORIES

A.	Thermal Expansion Absorbers

1.	Bladder type for use with potable water systems.

2.	Acceptable Manufacturers -

a.	Therm-X-Trol ST-12 by Amtrol

b.	Equal as approved by Architect before bidding. See Section 01600.

PART 3 EXECUTION

3.1	INSTALLATION

A.	Install temperature-pressure relief valve on hot water heater and pipe discharge to directly above of floor drain.

END OF SECTION